Hello. I'm trying to convert an awk script I wrote to perl (which I just started self-teaching). I tried the a2p command but I couldn't make sense of most of it.
Here was the awk code:
So far this is what I got:
I'm not sure how to convert this part to perl:
The awk code was to use a .csv file as input thus the $3 and $4
Does anyone know how to convert this bash shell script to perl?
for i in `ls -l *pgp`
do
`usr/bin/gpg --passphrase-fd 0 $i < .sunspot`
done
Thanks! Any help would be appreciated. I'm new to Linux and perl. (4 Replies)
I have a perl code that runs like
Code I
sub p
{
if ($d >= $D) {return}
printf "%3s"x$d++," ";
printf "%s%s\n",$_,$h{$_}?" ** ":"";
if (!$h{$_})
{
$h{$_}=1;
map {p($_)} @{$s{$_}}
}
$d--
}
($Set,$Job,$Num,$D) = (@ARGV);
map {shift} 0..3; (8 Replies)
Hi All,
I have a requirement of converting an html form into pdf using perl.
The html form contains images, tables and css implementation. I tried using various perl modules but failed to achive the target.
I succeeded in generating a pdf from the html file using... (2 Replies)
Hi,
I need convert a date string to date.
For eaxmple
$last_date=6/2/2009
and I want to change the format of the above mentioned date to "Jun 2 2009 12:00AM".
Do we have any functionality or staright method to convert to the desired format? (4 Replies)
Hi Friends,
I've an exponent value like,
$val="9.57669e-05";
I want to convert this value to floating point value in PERL scripting.
I tried googling for the solution, and also asked many perl friends. Unfortunately, I didn't get answer.
Could you please help me?
Thanks in advance... (4 Replies)
Hello,
I have an AIX 5.3 system and i created a script to get the last login of users.
The script goes like this:
LAST_LOGIN=`lsuser -a time_last_login $cur_user`
TIME_LOGIN=`perl -e 'print scalar localtime("$LAST_LOGIN")'`
Actually what i do in these two lines is to set a variable... (2 Replies)
Hi friends,
I'm very new to perl and got some requirement.
I've input numbers which has size of 17 characters like below:
-22500.0000000000
58750.00000000000
4944.000000000000
-900.000000000000
272.0000000000000
I need to convert these numbers from negative to positive and positive... (4 Replies)
I am working on converting shell to Perl script. In shell we have built in function
trap
Do you know alternative in Perl or actually we don't need it?
Thanks for contribution (3 Replies)
Hello. I'm currently teaching myself Perl and was trying to turn an awk code that I had written into Perl. I have gotten stuck on a particular part and a2p has not helped me at all. The task was to take a .csv file containing a name, assignment type, score and points possible and compute it into a... (1 Reply)
Discussion started by: Eric7giants
1 Replies
LEARN ABOUT DEBIAN
devel::refcount
Devel::Refcount(3pm) User Contributed Perl Documentation Devel::Refcount(3pm)NAME
"Devel::Refcount" - obtain the REFCNT value of a referent
SYNOPSIS
use Devel::Refcount qw( refcount );
my $anon = [];
print "Anon ARRAY $anon has " . refcount($anon) . " reference
";
my $otherref = $anon;
print "Anon ARRAY $anon now has " . refcount($anon) . " references
";
DESCRIPTION
This module provides a single function which obtains the reference count of the object being pointed to by the passed reference value.
FUNCTIONS
$count = refcount($ref)
Returns the reference count of the object being pointed to by $ref.
COMPARISON WITH SvREFCNT
This function differs from "Devel::Peek::SvREFCNT" in that SvREFCNT() gives the reference count of the SV object itself that it is passed,
whereas refcount() gives the count of the object being pointed to. This allows it to give the count of any referent (i.e. ARRAY, HASH,
CODE, GLOB and Regexp types) as well.
Consider the following example program:
use Devel::Peek qw( SvREFCNT );
use Devel::Refcount qw( refcount );
sub printcount
{
my $name = shift;
printf "%30s has SvREFCNT=%d, refcount=%d
",
$name, SvREFCNT($_[0]), refcount($_[0]);
}
my $var = [];
printcount 'Initially, $var', $var;
my $othervar = $var;
printcount 'Before CODE ref, $var', $var;
printcount '$othervar', $othervar;
my $code = sub { undef $var };
printcount 'After CODE ref, $var', $var;
printcount '$othervar', $othervar;
This produces the output
Initially, $var has SvREFCNT=1, refcount=1
Before CODE ref, $var has SvREFCNT=1, refcount=2
$othervar has SvREFCNT=1, refcount=2
After CODE ref, $var has SvREFCNT=2, refcount=2
$othervar has SvREFCNT=1, refcount=2
Here, we see that SvREFCNT() counts the number of references to the SV object passed in as the scalar value - the $var or $othervar
respectively, whereas refcount() counts the number of reference values that point to the referent object - the anonymous ARRAY in this
case.
Before the CODE reference is constructed, both $var and $othervar have SvREFCNT() of 1, as they exist only in the current lexical pad. The
anonymous ARRAY has a refcount() of 2, because both $var and $othervar store a reference to it.
After the CODE reference is constructed, the $var variable now has an SvREFCNT() of 2, because it also appears in the lexical pad for the
new anonymous CODE block.
PURE-PERL FALLBACK
An XS implementation of this function is provided, and is used by default. If the XS library cannot be loaded, a fallback implementation in
pure perl using the "B" module is used instead. This will behave identically, but is much slower.
Rate pp xs
pp 225985/s -- -66%
xs 669570/s 196% --
SEE ALSO
o Test::Refcount - assert reference counts on objects
AUTHOR
Paul Evans <leonerd@leonerd.org.uk>
perl v5.14.2 2011-11-15 Devel::Refcount(3pm)